The PresAir Trol TinyTrol DPDT momentary air switch is designed for compatible pneumatic control systems that need a double-pole double-throw switch with a momentary action. Momentary air switches are useful when the system should respond to a brief user input rather than holding a changed state after activation.This replacement is especially useful when the original switch has become unreliable, sticks, or no longer responds correctly to a momentary air signal. Matching the original switch style helps preserve the intended control behavior of the system.It is a practical service part when a quick-return pneumatic switching action is part of the original installation design. PresAir Trol TinyTrol DPDT momentary air switch Designed for compatible quick-return pneumatic control applications Useful when the original switch no longer responds correctly Helps preserve intended momentary switching behavior Supports more dependable system control after repair